Structural engineering, architectural design, and renovation specialists delivering precision-driven solutions across the Tri-State Area.
Years Experience
Projects Completed
Client Satisfaction
States Licensed
Fully Certified & Insured — delivering engineering excellence across all structural disciplines.
Accurate, code-compliant load calculations for all structural elements — ensuring stability, safety, and efficiency at every phase.
Advanced analysis and design of Concrete, Steel, and Wood structures using industry-leading engineering software and current standards.
Photorealistic visuals and immersive walkthroughs that communicate project vision and drive compelling client presentations.
Detailed quantity takeoffs and cost estimates enabling accurate budgeting, confident planning, and smarter investment decisions.
From residential foundations to industrial complexes — we engineer solutions built to stand the test of time.
Custom homes, additions, and renovations designed with structural integrity and aesthetic vision working in perfect harmony.
Office buildings, retail spaces, and mixed-use developments engineered for performance, longevity, and full code compliance.
Warehouses, manufacturing plants, and utility structures engineered to withstand demanding operational and environmental loads.
Structural assessments and creative retrofit strategies for existing buildings requiring upgrades, repairs, or adaptive reuse.
Integrated architectural and structural design services producing cohesive, buildable, and visually compelling outcomes.
Expert navigation of local building codes, zoning regulations, and permit processes so your project moves forward without delays.
A selection of our structural engineering and design work across the Tri-State Area.
Structural design for a two-story rear addition including new foundation, steel beams, and complete roof framing system.
Structural analysis and permitting for a three-story mixed-use development with retail on the ground floor and offices above.
Design and engineering of a 5,000 sq ft structural steel mezzanine for warehouse storage and integrated office operations.
Structural retrofit and basement underpinning for a 100-year-old Brooklyn brownstone undergoing full adaptive conversion.
Open-plan structural engineering eliminating load-bearing walls to create a modern, column-free restaurant interior.
Structural engineering for a 20,000 sq ft factory expansion including crane rail design, heavy foundations, and column layout.
We combine technical rigor with creative problem-solving to deliver structural solutions that are safe, efficient, and built to stand the test of time.
Fully licensed Professional Engineers in New York State with comprehensive liability and E&O coverage.
We understand construction timelines. Our deliverables are consistently accurate, complete, and on schedule.
Clients and contractors stay informed at every stage with transparent updates and direct access to our engineers.
Premium engineering quality without a premium price. Honest, transparent quotes — no hidden fees, ever.
"Diagrid Consultants delivered our structural drawings ahead of schedule. Their attention to detail and code compliance expertise saved us significant time during the permit process. Genuinely impressive work."
"The team at Diagrid provided thorough structural calculations for our commercial renovation. Their communication was excellent throughout — we always knew exactly where the project stood and what was coming next."
"Professional, knowledgeable, and cost-effective. Diagrid helped us engineer a complex warehouse mezzanine on a tight timeline. The results exceeded every expectation — we'll be partnering with them again."
A dedicated group of engineers and designers committed to structural excellence on every project.
Ready to discuss your structural engineering needs? Send us a message and we'll respond within 24 hours.
117 Newbridge Rd, FL 2
Hicksville, NY 11801
Monday – Friday: 9:00 AM – 6:00 PM
New York, New Jersey & Connecticut